Engine Misfire Detected on Startup (First 1000 Revolutions)
2018-2025 Fiat Cronos 1.3L I4 Flex Firefly
Description
Misfire detected during the first 1000 engine revolutions after startup.
Symptoms
- Check Engine Light after cold start
- Rough start then smooths out
- Stumble on startup
Common Causes
- Leaking fuel injector (dripping when off)
- Loss of fuel pressure after shutdown
- Spark plug fouled from previous shutdown
Diagnostic Steps
- Perform fuel pressure leak-down test
- Check injectors for leaks
- Inspect spark plugs
- Monitor misfire counts on cold start
Repair Notes
Check for leaking injectors. Replace fouled spark plugs.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0316 on Other Vehicles
Fiat 124 Spider
2017-2020 1.4L I4 Turbo
Fiat 126p Maluch
1973-2000 0.65L I2 Air-Cooled
Fiat 126p Maluch
1987-2000 0.7L I2 Air-Cooled
Fiat 500
2012-2019 1.4L I4
Fiat 500 Abarth
2012-2019 1.4L I4 Turbo
Fiat 500 BR
2011-2020 1.4L I4 Flex Fire Evo
Fiat 500 PL
2007-2025 1.0L I3 Hybrid FireFly 70
Fiat 500 PL
2007-2025 1.2L I4 Fire 69
Common Questions
What does code P0316 mean on a 2018-2025 Fiat Cronos?
P0316 stands for "Engine Misfire Detected on Startup (First 1000 Revolutions)". Misfire detected during the first 1000 engine revolutions after startup.
What are the symptoms of P0316 on a Fiat Cronos?
Common symptoms of P0316 include: Check Engine Light after cold start, Rough start then smooths out, Stumble on startup.
What causes P0316 on a 2018-2025 Fiat Cronos?
Common causes of P0316 include: Leaking fuel injector (dripping when off), Loss of fuel pressure after shutdown, Spark plug fouled from previous shutdown.